In SignalRGB versions prior to 1.3.7.0, seven of the thirteen IOCTL handlers dereference the SystemBuffer pointer without first verifying that it is non-NULL.
CVSS 3.1HIGH 7.5·Network·No auth·No interaction·EPSS 0.00365·Published 2026-06-17·Fixed in 1.3.7.0
In SignalRGB versions prior to 1.3.7.0, the \\.\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN.
CVSS 3.1MEDIUM 5.3·Local·Low privileges·No interaction·EPSS 0.00111·Published 2026-06-17·Fixed in 1.3.7.0
